Home / 15,028,186.28-20,737,147.45-8,413,136.97

Finding the Fourth Proportional to 15,028,186.28, 20,737,147.45 and 8,413,136.97

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Solution

The fourth proportional to 15,028,186.28, 20,737,147.45 and 8,413,136.97 is: 11,609,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,186.28 : 20,737,147.45 = 8,413,136.97 : x
  2. Step 2: Convert to fraction form
    15,028,186.28/20,737,147.45 = 8,413,136.97/x
  3. Step 3: Cross multiply
    15,028,186.28x = 20,737,147.45 × 8,413,136.97
  4. Step 4: Simplify right side
    15,028,186.28x = 174,464,461,863,936.22
  5. Step 5: Solve for x
    x = 174,464,461,863,936.22/15,028,186.28
  6. Step 6: Final answer
    x = 11,609,149.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.